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hich引導(dǎo)定語(yǔ)從句時(shí)先行詞是物,which在從句中作主語(yǔ)或賓語(yǔ);what不能用來(lái)引導(dǎo)定語(yǔ)從句。本句的先行詞是hitech products高科技產(chǎn)品,指物,用which來(lái)引導(dǎo),故答案為B?!军c(diǎn)睛】在定語(yǔ)從句中,關(guān)系代詞所代替的先行詞是人或物的名詞或代詞,并在句中充當(dāng)主語(yǔ)、賓語(yǔ)、定語(yǔ)等成分。關(guān)系代詞在定語(yǔ)從句中作主語(yǔ)時(shí),從句謂語(yǔ)動(dòng)詞的人稱和數(shù)要和先行詞保持一致。1) who, whom, that這些詞代替的先行詞是人的名詞或代詞,在從句中所起作用如下:Is he the man who/that wants to see you? 他就是想見(jiàn)你的人嗎?(who/that在從句中作主語(yǔ))He is the man whom/ that I saw yesterday. 他就是我昨天見(jiàn)的那個(gè)人。(whom/that在從句中作賓語(yǔ))2) whose 用來(lái)指人或物,(只用作定語(yǔ), 若指物,它還可以同of which互換),例如:They rushed over to help the man whose car had broken down. 那人車壞了,大家都跑過(guò)去幫忙。3) which, that 它們所代替的先行詞是事物的名詞或代詞,在從句中可作主語(yǔ)、賓語(yǔ)等。關(guān)系副詞可代替的先行詞是時(shí)間、地點(diǎn)或理由的名詞,在從句中作狀語(yǔ)。關(guān)系副詞when, where, why的含義相當(dāng)于介詞+ which結(jié)構(gòu),因此常常和介詞+ which結(jié)構(gòu)交替使用,例如:Beijing is the place where (in which) I was born. 北京是我的出生地。14.Have you found the information about famous scientists you can use for the report?A.where B.which C.what D.who【答案】B【解析】句意:你找到了你在報(bào)告中可以使用的關(guān)于那些著名科學(xué)家的信息了嗎?where在哪里,表示地點(diǎn);which引導(dǎo)定語(yǔ)從句,先行詞應(yīng)該是物;what什么,不能引導(dǎo)定語(yǔ)從句;who引導(dǎo)定語(yǔ)從句,先行詞是人。這里考查的是定語(yǔ)從句,先行詞并不是空前的famous scientists,而是the information,指代的是物,故應(yīng)選B。15.﹣Look!This is the photo I took in Beijing World Gardening Expo(世界園藝博覽會(huì))in 2019.﹣Wow,so great!A.what B.who C.where D.that【答案】D【解析】【詳解】句意:—看!這是我2019年在北京世界園藝博覽會(huì)拍的照片??疾槎ㄕZ(yǔ)從句的關(guān)系代詞,what不用在定語(yǔ)從句中,who先行詞為人,在從句中作主語(yǔ)或者賓語(yǔ),where先行詞為地點(diǎn),在從句中作狀語(yǔ),that先行詞為人或物,在從句中做主語(yǔ)或賓語(yǔ),the photo為先行詞,從句中缺賓語(yǔ),句意理解為﹣﹣看!這是我2019年在北京世界園藝博覽會(huì)上拍的照片.﹣﹣哇,很不錯(cuò).故選D。16.We all enjoy reading the story _______ has a happy ending.A.who B.whom C.that D.what【答案】C【解析】【詳解】句意:我們都喜歡讀有一個(gè)幸福結(jié)局的故事。這里是定語(yǔ)從句,先行詞是the story,是物,關(guān)系詞用that和which, 先行詞是人用who來(lái)引導(dǎo)。先行詞是人,關(guān)系詞whom在句中作賓語(yǔ)。根據(jù)題意,故選C?!军c(diǎn)睛】當(dāng)關(guān)系代詞指人時(shí),關(guān)系代詞既可用who,.,people,:Those who are for my plan ,please put up your .Persons who are quarrelsome are .,one,all,any,they等時(shí),例如:He who has not reached the Great Wall isn39。t a true .All who had seen this film were .:I want him,who knows some English and ,他懂得些英語(yǔ)和法語(yǔ).I will pardon you,who are ,你是誠(chéng)實(shí)的.,:I think it is you who should e here .It is he who can do this .::She is not the woman that she used to .China is not the cou